This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 487 |
| 2 | 577 |
| 3 | 4877 |
| 4 | 5851 |
| 5 | 15877 |
| 6 | 467587 |
| 7 | 496187 |
| 8 | 697967 |
| 9 | 5889959 |
| 10 | 8194787 |
| 11 | 14596991 |
| 12 | 17978887 |
| 13 | 27698887 |
| 14 | 47959487 |
| 15 | 58590487 |
| 16 | 58678903 |
| 17 | 59489371 |
| 18 | 79492771 |
| 19 | 79897897 |
| 20 | 79932871 |
| 21 | 109148887 |
| 22 | 109696969 |
| 23 | 145969757 |
| 24 | 227799577 |
| 25 | 276857947 |